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OncoMatch/Clinical Trials/NCT06411691

KRAS-Targeted Vaccine Combined With Balstilimab and Botensilimab for Patients With Stage IV MMR-p Colorectal Cancer and Pancreatic Ductal Cancer

Is NCT06411691 recruiting? Yes, currently enrolling (May 2026). This Phase 1 trial studies multiple treatments including KRAS Vaccine with Poly-ICLC adjuvant and Balstilimab for colorectal cancer.

Phase 1RecruitingSidney Kimmel Comprehensive Cancer Center at Johns HopkinsNCT06411691Data as of May 2026

Treatment: KRAS Vaccine with Poly-ICLC adjuvant · Balstilimab · BotensilimabPhase 1b study evaluating the efficacy and immune response to a synthetic long peptide mutant KRAS vaccine (SPL mKRASvax) combined with Balstilimab and Botensilimab for unresectable or metastatic mismatch repair-proficient (MMR-p) colorectal cancer (mCRC) or unresectable or metastatic MMR-p pancreatic ductal adenocarcinoma (PDAC) patients with measurable disease following first-line chemotherapy.

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Extracted eligibility criteria

Cancer type

Colorectal Cancer

Pancreatic Cancer

Biomarker criteria

Required: KRAS one of the KRAS mutations included in the vaccine

Have one of the KRAS mutations included in the vaccine at the time of vaccination expressed in tumor

Required: MMR proficient

MMR-p

Disease stage

Required: Stage IV

Metastatic disease required

Performance status

ECOG 0–0(Fully active)

Prior therapy

Max 3 prior lines

Must have received: FOLFIRINOX or gemcitabine+nab-paclitaxel (FOLFIRINOX, gemcitabine+nab-paclitaxel) — 1st line metastatic unresectable PDAC

Have received 4-6 months of FOLFIRINOX or gemcitabine+nab-paclitaxel for the 1st line treatment of metastatic unresectable PDAC

Must have received: SOC chemotherapy per NCCN guidelines (FOLFIRINOX, FOLFOX, FOLFIRI +/- targeted therapy with VEGFi or EGFRi) (FOLFIRINOX, FOLFOX, FOLFIRI) — 1st line metastatic CRC

Have received 4-6 months of 1st line SOC chemotherapy per NCCN guidelines (FOLFIRINOX, FOLFOX, FOLFIRI +/- targeted therapy with VEGFi or EGFRi) of metastatic CRC

Must have received: KRAS inhibitor

including prior KRAS inhibitor

Cannot have received: immunotherapy (anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA4)

Prior treatment with immunotherapy agents (including, anti-PD-1, anti-PD-L1, anti-PD-L2, anti-CTLA4, etc.)

Lab requirements

Blood counts

adequate organ and marrow function defined by study-specified laboratory tests

Kidney function

adequate organ and marrow function defined by study-specified laboratory tests

Liver function

adequate organ and marrow function defined by study-specified laboratory tests

Patients must have adequate organ and marrow function defined by study-specified laboratory tests prior to initial study drug.

Structured fields extracted by AI. May contain errors — verify against the official protocol.

US trial sites

  • Sidney Kimmel Comprehensive Cancer Center · Baltimore, Maryland

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